The Centers for Disease Control estimates that more than 2.8 million people in the United States suffer a concussion -- or traumatic brain injury (TBI) -- every year, and vision can be affected.

The rate of childhood TBI visits to the emergency department more than doubled between 2001 and 2009, making children more likely than any other group to go to the ER with concussion symptoms.

It was once assumed that the hallmark of a concussion was a loss of consciousness. More recent evidence, however, does not support that. In fact, the majority of people diagnosed with a concussion do not experience any loss of consciousness. The most common immediate symptoms are amnesia and...

Did you know that having one's eyes tested can reveal symptoms of ADHD (Attention Deficit Hyperactivity Disorder)? ADHD is a set of symptoms that include trouble with focus, overactivity, and behavioral control. It is estimated that one in five people has some sort of ADHD.

ADHD is a condition that has multiple symptoms and it can affect any age, though commonly it affects children. There is difficulty with visual processing, which includes doubling letters, reversing letters, and jumping words and lines of print.

Eye examinations are a crucial part of the diagnosis of ADHD. Proper visual function can be assessed through a thorough eye exam. During the exam, visual...